logo

For the Inventor, By the Inventor

Tokyo, Japan

Tsutomu Motohashi

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignee: Ricoh Company, Ltd.. Active years: 2007-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Motohashi. Retrieved from https://idiyas.com/inventor/tsutomu-motohashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 33.3


Average Co-Inventor Count = 1.1

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal6 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2007-2011

Loading Chart...
Loading Chart...
6 patents (USPTO):Explore Patents
1. 7974520 - Information recording ensuring compatibility with different types of recording media (2011-07-05),
2. 7719945 - Information recording method allowing improved access to a recording start position of user data in an information recording medium and apparatus performing the same (2010-05-18),
3. 7573799 - Information recording method, information recording apparatus, program and computer readable information storage medium (2009-08-11),
4. 7336579 - Information storage apparatus that writes data in unrecorded regions of a recording medium (2008-02-26),
5. 7283441 - Information recording and reproducing apparatus, disc apparatus and defect area replacement method (2007-10-16),
6. 7177256 - Information recording method, information recording apparatus, program and computer readable information storage medium (2007-02-13),

Title: Tsutomu Motohashi: Innovator in Information Recording Technologies

Introduction

Tsutomu Motohashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of information recording technologies. With a total of 6 patents to his name, Motohashi has developed innovative methods that enhance data recording and retrieval processes.

Latest Patents

Motohashi's latest patents include a method for ensuring compatibility with different types of recording media. This method involves optically recording data on a disk-like information recording medium from the center to the peripheral side. It divides the medium into multiple recording divisions and includes steps for recording initial data and terminal end information. Another notable patent focuses on improving access to the recording start position of user data in an information recording medium. This method records information in a management information area, detailing the correspondence between user data areas and management tables.

Career Highlights

Tsutomu Motohashi is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of information technology. His work has been instrumental in advancing the capabilities of recording media, making data access more efficient and reliable.

Collaborations

Motohashi collaborates with Takanobu Matsuba, a fellow innovator in the same field. Their partnership has led to the development of cutting-edge technologies that push the boundaries of information recording.

Conclusion

Tsutomu Motohashi's contributions to information recording technologies have established him as a key figure in the industry. His innovative patents and ongoing work at Ricoh Company, Ltd. continue to shape the future of data management and accessibility.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…